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Old 09-09-2003, 11:04 PM   #1
70 CST 4X4
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Question Headers for my 4x4 ?

I have a 70 1/2 ton 4x and I need some good headers for my small block. The rams horns are cracked. I noticed that the set on my truck center dump straight down on both sides. What size and type are you running ?

Thanks

70 CST 4X4

<edit>
truck has

small block
p/s
th350
va-a/c
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1970 CST K10 350/350/205
Short Bed - Fleetside
Tach-Tilt-A/C-Tow Hooks
Front & Rear Disc Brakes
Front & Rear Posi 3.73 Gears
30 Gallon Stainless Fuel Tank
SOLD 01/18 !!!!!
2007 2500 HD Classic Crew Cab LT2 4X4 Duramax LBZ


Last edited by 70 CST 4X4; 09-10-2003 at 11:55 AM.
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Old 09-10-2003, 05:10 AM   #2
JIMs70GMC
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Location: Chesapeake, Virginia
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I bought center dump ramhorns for a 63 vette and ran a 2.5" exhaust. Stock ramhorns are 2". As far as headers, do you have an sm465 or auto tranny? You'll have to modify the clutch linkeage to fit headers.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 09-10-2003, 10:41 AM   #3
70 CST 4X4
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Putting a th350 in with the new engine.

Thanks for the reply.
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1970 CST K10 350/350/205
Short Bed - Fleetside
Tach-Tilt-A/C-Tow Hooks
Front & Rear Disc Brakes
Front & Rear Posi 3.73 Gears
30 Gallon Stainless Fuel Tank
SOLD 01/18 !!!!!
2007 2500 HD Classic Crew Cab LT2 4X4 Duramax LBZ

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Old 09-10-2003, 12:16 PM   #4
72beast
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Location: So Cal
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I put on Doug Thorlys...love the bottom end the truck has now...I used the 300Y... had to notch the frame about 1/2" on the passenger side but no big deal...then I used these bolts to keep them from loosening up...

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72 K/5
350/205
SOFT-TOP
DOUG THORLEY HEADERS
A/C
CUSTOM REAR BUMPER
http://www.socalbigdawgs.com/tr/7.18.03/DSC04290.JPG
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Old 09-12-2003, 12:15 AM   #5
badpeanut
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I used the Summit-brand headers on my '71 K5 350/TH350. No clearance problems and no modifications required.
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Old 09-12-2003, 01:08 PM   #6
HeavyK20
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I used Dynomax on a C20, but it looked like they would fit a 4x4 whithout modifying the clutch linkage.
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1969 K20, 465/205 package
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Old 09-13-2003, 07:21 PM   #7
70 CST 4X4
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Thanks for all the replys. Going to find out moday if manifold is really cracked or not.

thanks again.
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1970 CST K10 350/350/205
Short Bed - Fleetside
Tach-Tilt-A/C-Tow Hooks
Front & Rear Disc Brakes
Front & Rear Posi 3.73 Gears
30 Gallon Stainless Fuel Tank
SOLD 01/18 !!!!!
2007 2500 HD Classic Crew Cab LT2 4X4 Duramax LBZ

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